{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["else", "city of headquarters"], "input": "All the songs that  Cher  covered in the album were originally number one hits by the original artists on the  US  Billboard 200 in the early 70's ."}
{"else": [{"subject": "Cher", "object": "US"}], "city of headquarters": []}